The attached Image is very difficult to have lit well if you don't use some Fill Flash, low light at Dawn, inside the tree canopy, this was shot with the 1Dx & 600 EX-RT off Camera with the ST-E3-RT.

You mean with a flash bracket? Which one do you have?

Hi RPT, Yes, I use the RRS Full Ring Bracket (FR-91-QR) with the Extender slider (FA-QREX2) that allows the Flash attached to be set at any point around the Lens and extends out a further 6" to 10" (20" if you connect two), I've used two 600EX-RT's on this Ring , but generally use just the one combined with the ST-E3-RT on the Camera.

Has the added advantage of being very robust, when attached I use the Ring to carry the Lens/Camera.

I use the "91" ring size so I can fit to the 300f/2.8, 400f/2.8 (when I had it) and now the 200-400f/4, I've not used it on the 600f/4 as yet.

I use a similar arrangement on the 70-200f/2.8 II, except the Ring Bracket is the 3/4 Bracket (Not a Full Ring)(B87-QR).

I find the RRS catalogue keeps me poor, but it's excellent gear.

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Many animals do not mind the use of a flash, the big cats seems almost bothered by it, but NEVER EVER use a flash with an African elephant, they do not take to it

And if you go to Jurassic Park, don't use a flash to take pictures of the T-Rex.......

If your flash/camera supports red-eye reduction, it might be a good idea to turn it off. I remember one evening trying to take flash pictures of a kitten playing in a paper bag.... Every time the red-eye strobe went off, the kitten ducked. I managed to get lots of pictures of the paper bag.....

The attached Image is very difficult to have lit well if you don't use some Fill Flash, low light at Dawn, inside the tree canopy, this was shot with the 1Dx & 600 EX-RT off Camera with the ST-E3-RT.

You mean with a flash bracket? Which one do you have?

Hi RPT, Yes, I use the RRS Full Ring Bracket (FR-91-QR) with the Extender slider (FA-QREX2) that allows the Flash attached to be set at any point around the Lens and extends out a further 6" to 10" (20" if you connect two), I've used two 600EX-RT's on this Ring , but generally use just the one combined with the ST-E3-RT on the Camera.

Has the added advantage of being very robust, when attached I use the Ring to carry the Lens/Camera.

I use the "91" ring size so I can fit to the 300f/2.8, 400f/2.8 (when I had it) and now the 200-400f/4, I've not used it on the 600f/4 as yet.

I use a similar arrangement on the 70-200f/2.8 II, except the Ring Bracket is the 3/4 Bracket (Not a Full Ring)(B87-QR).

I find the RRS catalogue keeps me poor, but it's excellent gear.

Thanks Edward. Wow! 320 US$ for the ring clamp and 260 for the 3/4th clamp and 130 for the extender! That is a lot of $$$

Thanks Edward. Wow! 320 US$ for the ring clamp and 260 for the 3/4th clamp and 130 for the extender! That is a lot of $$$

Hi RPT, Yes, hence my comment about being kept poor, but the gear is just well Engineered, well made & works, and I really like the RRS after sales service, I've not had much at all in the way of issues, but any I have had have been resolved Positively & without any concerns, an advantage I feel of dealing in this day & age with a family owned & Operated Company.

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Personally, I always fill-flash wildlife (unless I get green/red eyes) because I like background lit objects ... I've got a Demb flash bracket with a 600rt (200mm reflector) which is rather inexpensive, let's you only fill the shadow side and is the only flexible way I know of to prevent horrible drop shadows.

Hi RPT, Yes, I use the RRS Full Ring Bracket (FR-91-QR) with the Extender slider (FA-QREX2) that allows the Flash attached to be set at any point around the Lens and extends out a further 6" to 10" (20" if you connect two), I've used two 600EX-RT's on this Ring , but generally use just the one combined with the ST-E3-RT on the Camera.

I use the 600EX-RT with a Better Beamer on the RRS B91-QR with FA-QREX2 on my 600 II. I've been using the OC-E3, but I have a SnapQR cold shoe, and triggering with the ST-E3 would be a little cleaner than the coiled cord - great idea!

I've been using the OC-E3, but I have a SnapQR cold shoe, and triggering with the ST-E3 would be a little cleaner than the coiled cord - great idea!

After breaking my 2nd (China copy) oc-e3 cord I also switched to triggering the on-flash-bracket coldshoe flash with another flash on the camera hotshoe - its heavier, but the cable is messy and I can use the 2nd flash for high power hss or bounce if I want to.

I use the 600EX-RT with a Better Beamer on the RRS B91-QR with FA-QREX2 on my 600 II. I've been using the OC-E3, but I have a SnapQR cold shoe, and triggering with the ST-E3 would be a little cleaner than the coiled cord - great idea!

Hi Neuro, I bought the Better Beamer specially for use on the 600f/4 II, Haven't actually tried it yet, but I have hopes the Better Beamer can help overcome the 200mm Zoom limitation of the 600EX-RT, the 200mm Zoom seems to work just fine when in use on the 200-400, 300 & 400, but I've tried it with the 600 & there's a lot of light fall off/spread which the better beamer should help with.

I found the ST-E3-RT Triggering via the Camera worked well for me, especially when you need to change the position of the 600/s on the Ring, I imagine that could become a bit of a Tangle using a cord to trigger.

Just an added reminder for anyone wanting to go the RRS way, keep in mind if you want to attach your 600EX-RT to the RRS extender, or any RRS piece of gear that has a dovetail fit, you need a "Snap QR Adaptor", RRS make a number for different fit outs, when I first bought my set up I had everything I needed, except this little bit of gear to actually attach the 600 so it would all work.